This interchangeable set easily does the work of 10 traditional tools to give you a flawless finish in record time. Use your buff brush for application of your favorite cosmetics. Then remove your brush head and replace with the blend sponge head to pick up excess product and smooth your skin to a glowing, airbrushed finish. Using multiple brushes for your makeup? You're doing it all wrong. All you need is one brush to perfect your look.